package cn.hackcloud.netty.codec.marshalling;

import org.jboss.marshalling.MarshallerFactory;
import org.jboss.marshalling.Marshalling;
import org.jboss.marshalling.MarshallingConfiguration;

import io.netty.handler.codec.marshalling.DefaultMarshallerProvider;
import io.netty.handler.codec.marshalling.DefaultUnmarshallerProvider;
import io.netty.handler.codec.marshalling.MarshallerProvider;
import io.netty.handler.codec.marshalling.MarshallingDecoder;
import io.netty.handler.codec.marshalling.MarshallingEncoder;
import io.netty.handler.codec.marshalling.UnmarshallerProvider;

public final class MarshallingCodeCFactory {

	/**
	 * JBoss Marshalling 解码器
	 * 
	 * @return
	 */
	public static MarshallingDecoder buildMarshallingDecoder() {
		// 参数“serial”表示创建的是Java序列化工厂对象
		final MarshallerFactory marshallerFactory = Marshalling.getProvidedMarshallerFactory("serial");
		final MarshallingConfiguration configuration = new MarshallingConfiguration();
		configuration.setVersion(5);
		UnmarshallerProvider provider = new DefaultUnmarshallerProvider(marshallerFactory, configuration);
		// 1024表示单个消息序列化后的最大长度
		MarshallingDecoder decoder = new MarshallingDecoder(provider, 1024);
		return decoder;
	}

	/**
	 * JBoss Marshalling 编码器
	 * 
	 * @return
	 */
	public static MarshallingEncoder buildMarshallingEncoder() {
		final MarshallerFactory marshallerFactory = Marshalling.getProvidedMarshallerFactory("serial");
		final MarshallingConfiguration configuration = new MarshallingConfiguration();
		configuration.setVersion(5);
		MarshallerProvider provider = new DefaultMarshallerProvider(marshallerFactory, configuration);
		MarshallingEncoder encoder = new MarshallingEncoder(provider);
		return encoder;
	}
}
